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Radio Valve Type ATP4, English and Carton, Mid 20th Century

preview image for Radio Valve Type ATP4, English and Carton, Mid 20th Century
Inventory Number: 15492
Object Type:
Place Created: England United Kingdom Europe
Accession Number: 2004-9/238
Brief Description: Radio Valve (or Tube) Type ATP4, in plain speckled cardboard carton. Glass valve with single steel top cap and black plastic? base. With nine steel base pins and one black plastic? central base pin.
Primary Inscriptions: "E / ATP4 / ZA5002" stamped on exterior surface of bulb.
Provenance: Presented by the Marconi Corporation.
Collection Group: Marconi Collection
Material(s): Glass
plastic?
steel
assorted metals.
Cardboard
Dimensions:
Height Width Depth Diameter Unit
115 40 mm

Narratives

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